Just in Case You are Pinterested

"Pinterest now drives more referral traffic (3.6%) than YouTube (1.05%), Google+ (0.22%), and LinkedIn (0.2%) combined, according to Shareaholic’s January 2012 Referral Traffic Report.

Pinterest grew 44% from 2.5% of referral traffic in December 2011, after owning just 0.17% of the traffic in July 2011.

Facebook remained the top referral source, growing 3% month-over-month from 25.6% to 26.4%.

StumbleUpon also maintained its second ranking, though it dropped 22% from 6.5% to 5.07%."

Via marketingcharts.